lately ive been getting 21 mpg's which i honestly think is bad.
i cant understand it, i replaced the plugs and wires like 2 months ago, replaced the pcv valve 2 days ago, rear o2 sensor i snapped, threw a cel and i replaced that, no vac leaks, car runs/idles fine and my a/f guage doesnt act abnormal. i was told my front o2 is on its way out, wouldnt that throw a cel as soon as it read low voltage? i mean my rear one did and especially on a 2g, u would think it would throw a cel or make my a/f guage act wack.
ideas?